intLight91,2,4,8,16,32,64,128,256D8连接到74HC595芯片的使能引脚\nD12连接到74HC595芯片的时钟引脚\nD11连接到74HC595芯片的数据引脚\n实现8个LED的流水灯效果i1818LOWMSBFIRST11120Light1i8HIGHdelay10008LOWMSBFIRST111208HIGH